166204160 has 72 divisors (see below), whose sum is σ = 407949696. Its totient is φ = 64839680.

The previous prime is 166204151. The next prime is 166204183. The reversal of 166204160 is 61402661.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50897 + ... + 54063.

It is an arithmetic number, because the mean of its divisors is an integer number (5665968).

Almost surely, 2^166204160 is an apocalyptic number.

166204160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166204160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203974848).

166204160 is an abundant number, since it is smaller than the sum of its proper divisors (241745536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166204160 is an equidigital number, since it uses as much as digits as its factorization.

166204160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229 (or 3215 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 166204160 is about 12892.0192367216. The cubic root of 166204160 is about 549.8116820845.

The spelling of 166204160 in words is "one hundred sixty-six million, two hundred four thousand, one hundred sixty".